CVE-2026-76558: unknown wp import export lite Cross-site Scripting
Vulnerability summary
CVE-2026-76558 is a medium (CVSS 6.8) Cross-site Scripting vulnerability in unknown wp import export lite. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.8% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.9.33.
Timeline
- 16-09-2026PublishedVulnerability first disclosed.
- 17-09-2026Last modifiedVulnerability information updated.
Description
The WP Import Export Lite WordPress plugin before 3.9.33 does not escape custom field names retrieved from the database before inserting them into the DOM of one of its administration screens, allowing users with a role as low as contributor to perform Stored XSS attacks which will trigger in the browser of a high privileged user, such as an administrator, viewing that screen.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
+0.04 pp
From 0.40% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- wp import export lite< 3.9.33
Wordpress1 product
- wp-import-export-lite≤ 3.9.32 (fixed in 3.9.33)
2 vendors · 2 products